UBUNTU-CVE-2021-40648
Dashboard / Vulnerabilities / UBUNTU-CVE-2021-40648
Summary:
Details: In man2html 1.6g, a filename can be created to overwrite the previous size parameter of the next chunk and the fd, bk, fd_nextsize, bk_nextsize of the current chunk. The next chunk is then freed later on, causing a freeing of an arbitrary amount of memory.
References: https://ubuntu.com/security/CVE-2021-40648, https://gist.github.com/untaman/cb58123fe89fc65e3984165db5d40933, https://www.cve.org/CVERecord?id=CVE-2021-40648
Affected packages
Package
Name: man2html
Purl: pkg:deb/ubuntu/man2html?arch=source&distro=xenial
Affected ranges
Type: ECOSYSTEM
Events:
Introduced- 0
Fixed -None
Affected versions
1.6g-7
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
